Clones on task serve greater good, evolutionary study shows
...rs, than the erratic Family B.As it turns out, and perhaps not surprisingly, those genotypes that tended in general to vary more, tended to not produce as many flowers (and thus were less likely to reproduce successfully), Dworkin said. There definitely are costs to variation. In addition, this study provide...Gene regulation, not just genes, is what sets humans apart
...rrent human pandemics of obesity and diabetes, and perhaps there will be some insights from understanding how these regulatory sequences have evolved, he said. To do a genome-wide analysis of regulatory regions, Haygood and post-doctoral fellow Olivier Fedrigo had to adapt some of the statistical tools us...MIT creates 3-D images of living cell
...e confident that we can attain 150 nanometers, and perhaps higher resolution is possible, Feld said. We expect this new technique to serve as a complement to electron microscopy, which has a resolution of approximately 10 nanometers. ...deCODE discovers cause of major subtype of glaucoma
...d to have some degree of exfoliation syndrome, and perhaps more than half of these individuals will go on to develop exfoliation glaucoma. The progression of glaucoma can be slowed using various medications that promote the drainage of fluids from the eye and reduce pressure on the optic nerve. However, exfo...Climate change and permafrost thaw alter greenhouse gas emissions in northern wetlands
...en climate change disrupts these frozen layers, or perhaps more importantly what will happen to all of that stored carbon in peat, have remained big questions for us. Their results were surprising. Turetsky and her colleagues studied areas affected by permafrost degradation across a large region of Canad...New study suggests Concord grape juice may provide protection against breast cancer
...e made from Concord grapes can help your heart and perhaps your breast health.......ed on the order of amillion years ago or more, and perhaps soon after the evolution of thespecies itself. In their Nature Genetics study, published online August 5, the researchersused the LD pattern to design a method for mapping the associations betweengenetic variants and corresponding physical traits ...Genetic analysis finds greater threat in frog-killing fungus
...s frog used to be the most abundant amphibian, and perhaps the most abundant vertebrate, in the whole Sierra Nevada," said Knapp. "Over the past 30 years, it has disappeared from up to 95 percent of its historic range, and its absence is impacting other organisms. Garter snakes that used to prey on these fro...Human knowledge is based upon directed connectivity between brain areas
...ucial not only which brain areas are involved but, perhaps even more importantly, how they cooperate with each other. The investigation of this new dimension in brain research is just beginning. ...'The Man Who Saved The Sea Turtles'
... his lifes work. From a conservation standpoint, perhaps his greatest discovery was that a beach known as Tortuguero in Costa Rica is the most important nesting site of the endangered green turtle in the entire Western Hemisphere, Davis said. In documenting their migratory patterns, he showed that these la...High rates of HIV infection documented among young Nepalese girls sex-trafficked to India
...ions in brothels. HIV infection has been seen as perhaps the most critical health consequence of sex trafficking, but sex-trafficked girls and women are rarely studied leaving the prevalence of HIV and other health issues among this highly vulnerable population little understood, said Silverman. This stud...Military to study better pain relief in battle zones
...ny drug-bearing particles that a fellow soldier or perhaps the injured soldier himself could inject with a pen-like device, even in the heat of combat. That would solve one of the challenges now. Morphine, an effective painkiller that the military commonly uses for the acute pain of battle injuries, currentl...New research identifies anti-viral protein that may predict who might be at risk to develop lupus
... but the disease appears only when something else, perhaps an environmental factor, pushes the immune system to the breaking point and causes the production of the damaging autoantibodies. The high level of interferon-alpha doesnt always cause the disease, because many healthy family members have high lev...Prenatal stress keeps infants, toddlers up at night, study says
... evidence that these patterns may be set early on, perhaps even before birth, said lead author Thomas OConnor, Ph.D., associate professor of Psychiatry at the University of Rochester Medical Center. This is another piece in the unfolding mystery of just how much the prenatal environment may shape a childs he...Scientists discover new way to study nanostructures
...a Tech. The prospect of being able to explore, and perhaps utilize, atomic-scale phenomena using this effect is very exciting. In January 2007, Marchenkov and Landman published a paper in Physical Review Letters detailing their discovery that fluctuations in the conductance of ultra-thin niobium nanowires ...Monell researchers find metabolic defect in liver that can lead to obesity
... identify individuals at risk for dietary obesity, perhaps even during childhood before the development of unhealthy eating habits. The current study, published in the August issue of Metabolism, demonstrates that genetic susceptibility to diet-induced obesity is due to a reduced capacity to burn fat. Fa...Steroids, not songs, spur growth of brain regions in sparrows
...guage after a stroke might not be productive. But perhaps we could use neutrophins, growth-inducing proteins whose synthesis by brain neurons is stimulated by testosterone. In sparrows, brain areas are directly stimulated by these hormones to grow and one day such hormones might possibly help repair brain ...American Chemical Society's Weekly PressPac -- July 18, 2007
.... The new study focuses on another essential and perhaps more fundamental characteristic of cells, the ability to move. In laboratory experiments, the researchers showed that an oil droplet, used to represent an artificial cell, underwent sustained movement through a chemical solution for several minutes u...Measuring the unseeable: Penn researchers probe proteins' dark energy
...to figure out how this new information fits in and perhaps drug design could be significantly improved. Future directions include understanding whether the principles revealed by this study are universal and impact the thousands of protein-protein interactions that underlie biology and disease. As Wand exp......sease will eventually lead to better treatment and perhaps prevention. The initial studies were carried out by a team of researchers led by Professor Yates and Professor Tony Moore at the UCL Institute of Ophthalmology. Further work to confirm the initial findings was carried out by researchers in Scotland...